linux-kernel - [PATCH 013/124] staging: lustre: osc: update kms in brw

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Date:   Sun, 18 Sep 2016 16:37:12 -0400
From:   James Simmons <jsimmons@...radead.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Andreas Dilger <andreas.dilger@...el.com>,
        Oleg Drokin <oleg.drokin@...el.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>,
        Niu Yawei <yawei.niu@...el.com>,
        James Simmons <jsimmons@...radead.org>
Subject: [PATCH 013/124] staging: lustre: osc: update kms in brw_interpret() properly

From: Niu Yawei <yawei.niu@...el.com>

In brw_interpret(), we forgot page offset when calculating
write offset, that leads to wrong kms for sync write.

Signed-off-by: Niu Yawei <yawei.niu@...el.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5463
Reviewed-on: http://review.whamcloud.com/11374
Reviewed-by: Bobi Jam <bobijam@...il.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@...el.com>
Reviewed-by: Li Dongyang <dongyang.li@....edu.au>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
Signed-off-by: James Simmons <jsimmons@...radead.org>
---
 drivers/staging/lustre/lustre/osc/osc_request.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c
index e861973..e44b4fa 100644
--- a/drivers/staging/lustre/lustre/osc/osc_request.c
+++ b/drivers/staging/lustre/lustre/osc/osc_request.c
@@ -1796,7 +1796,8 @@ static int brw_interpret(const struct lu_env *env,
 
 		if (lustre_msg_get_opc(req->rq_reqmsg) == OST_WRITE) {
 			struct lov_oinfo *loi = cl2osc(obj)->oo_oinfo;
-			loff_t last_off = last->oap_count + last->oap_obj_off;
+			loff_t last_off = last->oap_count + last->oap_obj_off +
+					  last->oap_page_off;
 
 			/* Change file size if this is an out of quota or
 			 * direct IO write and it extends the file size
-- 
1.7.1